About the Number

280080

280079 ← → 280081

2進数表記:1000100011000010000

漢数字表記:二十八万八十

素因数分解:

2 4 × 3 2 × 5 1 × 389 1

素因数の和:408
約数の個数: 60
約数和(自身を含む): 943020
約数和(自身を除く): 662940

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 389, 720, 778, 1167, 1556, 1945, 2334, 3112, 3501, 3890, 4668, 5835, 6224, 7002, 7780, 9336, 11670, 14004, 15560, 17505, 18672, 23340, 28008, 31120, 35010, 46680, 56016, 70020, 93360, 140040, 280080]

約数ペア:
[(1, 280080), (2, 140040), (3, 93360), (4, 70020), (5, 56016), (6, 46680), (8, 35010), (9, 31120), (10, 28008), (12, 23340), (15, 18672), (16, 17505), (18, 15560), (20, 14004), (24, 11670), (30, 9336), (36, 7780), (40, 7002), (45, 6224), (48, 5835), (60, 4668), (72, 3890), (80, 3501), (90, 3112), (120, 2334), (144, 1945), (180, 1556), (240, 1167), (360, 778), (389, 720)]

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